Sourcetype items_properties = [ | `ALPHA of float| `ANCHOR of GooCanvasEnums.anchor_type| `ARROW_LENGTH of float| `ARROW_TIP_LENGTH of float| `ARROW_WIDTH of float| `CAN_FOCUS of bool| `CLIP_PATH of string| `CLOSE_PATH of bool| `DESCRIPTION of string| `END_ARROW of bool| `FILL_COLOR of string| `FILL_COLOR_RGBA of int32| `FILL_PIXBUF of GdkPixbuf.pixbuf| `FONT of string| `FONT_DESC of Pango.font_description| `HEIGHT of float| `LINE_JOIN_MITER_LIMIT of float| `LINE_WIDTH of float| `PIXBUF of GdkPixbuf.pixbuf| `POINTER_EVENTS of GooCanvasEnums.pointer_events list| `POINTS of canvas_points| `RADIUS_X of float| `RADIUS_Y of float| `SCALE_TO_FIT of bool| `START_ARROW of bool| `STROKE_COLOR of string| `STROKE_COLOR_RGBA of int32| `STROKE_PIXBUF of GdkPixbuf.pixbuf| `TEXT of string| `TITLE of string| `TOOLTIP of string| `USE_MARKUP of bool| `VISIBILITY of GooCanvasEnums.item_visibility| `VISIBILITY_THRESHOLD of float| `WIDTH of float| `WIDGET of Gtk.widget Gobject.obj| `X of float| `Y of float
] Sourcetype rect_p = [ | item_p| `HEIGHT of float| `RADIUS_X of float| `RADIUS_Y of float| `WIDTH of float| `X of float| `Y of float
] Sourcetype image_p = [ | item_p| `ALPHA of float| `HEIGHT of float| `PIXBUF of GdkPixbuf.pixbuf| `SCALE_TO_FIT of bool| `WIDTH of float| `X of float| `Y of float
] Sourcetype group_p = [ | item_p| `HEIGHT of float| `WIDTH of float| `X of float| `Y of float
] Sourcetype polyline_p = [ | item_p| `ARROW_LENGTH of float| `ARROW_TIP_LENGTH of float| `ARROW_WIDTH of float| `CLOSE_PATH of bool| `END_ARROW of bool| `HEIGHT of float| `POINTS of canvas_points| `START_ARROW of bool| `WIDTH of float| `X of float| `Y of float
] Sourcetype item_event =
[ `BUTTON_PRESS
| `BUTTON_RELEASE
| `MOTION_NOTIFY
| `KEY_PRESS
| `KEY_RELEASE
| `ENTER_NOTIFY
| `LEAVE_NOTIFY ]
Gdk.event